2.1x-5.18=2.8

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Solution for 2.1x-5.18=2.8 equation: 


Simplifying
2.1x + -5.18 = 2.8

Reorder the terms:
-5.18 + 2.1x = 2.8

Solving
-5.18 + 2.1x = 2.8

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '5.18' to each side of the equation.
-5.18 + 5.18 + 2.1x = 2.8 + 5.18

Combine like terms: -5.18 + 5.18 = 0.00
0.00 + 2.1x = 2.8 + 5.18
2.1x = 2.8 + 5.18

Combine like terms: 2.8 + 5.18 = 7.98
2.1x = 7.98

Divide each side by '2.1'.
x = 3.8

Simplifying
x = 3.8

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